The Allen-Bradley 150-SD2NUR, part of the SMC-50 series, is a sophisticated microprocessor-based, solid-state controller engineered for robust performance in a range of applications. It offers nine versatile start modes, integrated motor overload protection, and an energy-saving mode, with support for three-phase AC inputs ranging from 200 to 690 Volts at frequencies of 50 or 60 Hertz. With its capacity for delivering up to 727 Amps in delta-connected loads, this controller is equipped with an intuitive multicolored LED and a push button for status updates and manual resets, and it operates efficiently within a broad temperature range from -20 to 40 degrees Celsius, ensuring reliable function across varied environments.